Answer:
What is it which builds things up? Lays mountains low? Dries up lakes, and makes things grow? Cares not a whim about your passing? And is like few other things, because it is everlasting?
In this place, people lie, people cry, and people ask why. In this place, people sleep, people weep, and people's solitude, they keep. What is it?
You must keep this thing. Its loss will affect your brothers. For once yours is lost, it will soon be lost by others.
Man walks over, and man swims under. In times of war, it can be burned asunder. What is it?
What types of words are these: madam, civic, eye, level?
People take me on walks and I run and have fun. What am I?